How to Obtain Flexible, Cost-effective Scalability and Performance through Pushdown Processing
Under the Hood of the Pushdown Optimization Option Now Available Through Informatica PowerCenter 8
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Table of Contents
Executive Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Historical Approaches to Data Integration . . . . . . . . . . . . . . . . . . . . . . . . .4 The Combined Engine- and RDBMS-based Approach to Data Integration . .5 How Pushdown Optimization Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Overview of Pushdown Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Two-Pass Pushdown Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7